ZmajSnoshaj Posted January 27, 2015 Share Posted January 27, 2015 Well, without going into a lengthy explanation, yes, I found this in the Arkansas River about 3 feet under the bottom rocks and what we call the NTS (Nasty Toxic ..., unfortunately my rock hound playground is also a delisted superfund site). It took months to finally get it to where it's at now. About half a year in fact of fervent brushing and gentle filing with a diamond coated pen file. Acid has also played a major role but I'm at the point now where I can't risk using more lest I melt what I'm trying to reveal. Is there any readily available household remedy I can use as a protectant of sorts that I could apply on the delicate fossil material so that I can submerge this thing back into acid? Also, would Thyiglycolic acid benefit me here in this scenario?Thanks ~Noah Benzinghttps://www.youtube.com/watch?v=tn1uSydlkzQHere is a view of the underside.... I'm getting close to revealing the actual teeth (although I have unfortunately destroyed one or two so far). Link to comment Share on other sites More sharing options...
Cole Posted January 27, 2015 Share Posted January 27, 2015 Alright I'll say it. It doesn't look organic to me. Resembles an iron concretion. Cole~ Knowledge has three degrees-opinion, science, illumination. The means or instrument of the first is sense; of the second, dialectic; of the third, intuition. Plotinus 204 or 205 C.E., Egyptian Philosopher Link to comment Share on other sites More sharing options...
ZmajSnoshaj Posted January 27, 2015 Author Share Posted January 27, 2015 Dude, it's not an iron concretion... lolIt is caked with iron-oxide yes but in no way is it a concretion. Link to comment Share on other sites More sharing options...
ZmajSnoshaj Posted January 27, 2015 Author Share Posted January 27, 2015 I suppose you think this is an iron concretion too eh? heh... Link to comment Share on other sites More sharing options...
Rustdee Posted January 27, 2015 Share Posted January 27, 2015 When attempting to uncover some truth in a scientific manner you must be careful not to impose a priori assumptions and expectations on the data. Please be open that this may be something else. With that said could you take more photographs of the teeth? That may help others see what you see better. Link to comment Share on other sites More sharing options...
izak_ Posted January 27, 2015 Share Posted January 27, 2015 When attempting to uncover some truth in a scientific manner you must be careful not to impose a priori assumptions and expectations on the data. Please be open that this may be something else. With that said could you take more photographs of the teeth? That may help others see what you see better. I agree. You do need to be open minded, and remember to do your research. look up a placoderm, look at the differences and share it. Link to comment Share on other sites More sharing options...
fossilized6s Posted January 27, 2015 Share Posted January 27, 2015 When attempting to uncover some truth in a scientific manner you must be careful not to impose a priori assumptions and expectations on the data. Please be open that this may be something else. With that said could you take more photographs of the teeth? That may help others see what you see better. I agree. I also do not see that as a Placoderm jaw. And regarding post #4 what do you think that is? ~Charlie~ "There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK ->Get your Mosasaur print ->How to spot a fake Trilobite ->How to identify a CONCRETION from a DINOSAUR EGG Link to comment Share on other sites More sharing options...
Fossildude19 Posted January 27, 2015 Share Posted January 27, 2015 (edited) I am sorry, but I am not seeing placoderm material here, either. What I see in post #4 is crinoidal limestone, with some possible trilo-bits in it, and a gastropod impression which, I suppose, could be mistaken for an eye. I am not seeing any fish material of any type, in the pictures as provided. Not bone, scales, or armor plating. The images are small, and not really focused well. Regards, Edited January 27, 2015 by Fossildude19 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
Kosmoceras Posted January 27, 2015 Share Posted January 27, 2015 Sorry mate, it doesn’t look like a Placoderm (or any other vertebrate fossil to be honest). Looks like some sort of ironstone rock. You can give it a try dissolving some more, but it won’t uncover a fish. Link to comment Share on other sites More sharing options...
Xiphactinus Posted January 27, 2015 Share Posted January 27, 2015 That area is primarily Permian. I'm not seeing placoderm either...but there are fossils there. Looks like limestone embedded with Permian ocean floor hash. Link to comment Share on other sites More sharing options...
Cole Posted January 30, 2015 Share Posted January 30, 2015 How are the acid baths coming along? Curious to see what else comes out of this thing. Knowledge has three degrees-opinion, science, illumination. The means or instrument of the first is sense; of the second, dialectic; of the third, intuition. Plotinus 204 or 205 C.E., Egyptian Philosopher Link to comment Share on other sites More sharing options...
amour 25 Posted January 31, 2015 Share Posted January 31, 2015 In the River I would say no, no fish there , some crinoid stuff does wash down, but I have never seen any fish stuff, except new stuff. Sorry . Jeff Jeff Link to comment Share on other sites More sharing options...
caldigger Posted January 31, 2015 Share Posted January 31, 2015 I must agree. In the close up photo of the "eye socket" to me it looks like an impression of horn coral pattern on the inside. Link to comment Share on other sites More sharing options...
izak_ Posted May 19, 2015 Share Posted May 19, 2015 But mind you, it is still a coo, find Izak Link to comment Share on other sites More sharing options...
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